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<a name="1" href="#1">1</a>   <em>/**<em>*</em></em>
<a name="2" href="#2">2</a>   <em> * Copyright 2007 the original author or authors.</em>
<a name="3" href="#3">3</a>   <em> *</em>
<a name="4" href="#4">4</a>   <em> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="5" href="#5">5</a>   <em> * you may not use this file except in compliance with the License.</em>
<a name="6" href="#6">6</a>   <em> * You may obtain a copy of the License at</em>
<a name="7" href="#7">7</a>   <em> *</em>
<a name="8" href="#8">8</a>   <em> *         <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="9" href="#9">9</a>   <em> *</em>
<a name="10" href="#10">10</a>  <em> * For more information visit</em>
<a name="11" href="#11">11</a>  <em> *         <a href="http://72miles.com" target="alexandria_uri">http://72miles.com</a> and</em>
<a name="12" href="#12">12</a>  <em> *         <a href="http://architecturerules.googlecode.com/svn/docs/index.html" target="alexandria_uri">http://architecturerules.googlecode.com/svn/docs/index.html</a></em>
<a name="13" href="#13">13</a>  <em> */</em>
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  <strong>package</strong> com.seventytwomiles.architecturerules.services;
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <em class="comment">/*</em>
<a name="18" href="#18">18</a>  <em class="comment"> * Copyright 2007 the original author or authors.</em>
<a name="19" href="#19">19</a>  <em class="comment"> *</em>
<a name="20" href="#20">20</a>  <em class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="21" href="#21">21</a>  <em class="comment"> * you may not use this file except in compliance with the License.</em>
<a name="22" href="#22">22</a>  <em class="comment"> * You may obtain a copy of the License at</em>
<a name="23" href="#23">23</a>  <em class="comment"> *</em>
<a name="24" href="#24">24</a>  <em class="comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="25" href="#25">25</a>  <em class="comment"> *</em>
<a name="26" href="#26">26</a>  <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="27" href="#27">27</a>  <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="28" href="#28">28</a>  <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="29" href="#29">29</a>  <em class="comment"> * See the License for the specific language governing permissions and</em>
<a name="30" href="#30">30</a>  <em class="comment"> * limitations under the License.</em>
<a name="31" href="#31">31</a>  <em class="comment"> *</em>
<a name="32" href="#32">32</a>  <em class="comment"> * For more information visit</em>
<a name="33" href="#33">33</a>  <em class="comment"> * <a href="http://architecturerules.googlecode.com/svn/docs/index.html" target="alexandria_uri">http://architecturerules.googlecode.com/svn/docs/index.html</a></em>
<a name="34" href="#34">34</a>  <em class="comment"> */</em>
<a name="35" href="#35">35</a>  
<a name="36" href="#36">36</a>  
<a name="37" href="#37">37</a>  <strong>import</strong> com.seventytwomiles.architecturerules.configuration.Configuration;
<a name="38" href="#38">38</a>  <strong>import</strong> com.seventytwomiles.architecturerules.domain.JPackage;
<a name="39" href="#39">39</a>  <strong>import</strong> com.seventytwomiles.architecturerules.domain.SourceDirectory;
<a name="40" href="#40">40</a>  <strong>import</strong> com.seventytwomiles.architecturerules.exceptions.CyclicRedundancyException;
<a name="41" href="#41">41</a>  <strong>import</strong> com.seventytwomiles.architecturerules.exceptions.DependencyConstraintException;
<a name="42" href="#42">42</a>  <strong>import</strong> com.seventytwomiles.architecturerules.exceptions.NoPackagesFoundException;
<a name="43" href="#43">43</a>  <strong>import</strong> com.seventytwomiles.architecturerules.exceptions.SourceNotFoundException;
<a name="44" href="#44">44</a>  <strong>import</strong> jdepend.framework.JDepend;
<a name="45" href="#45">45</a>  <strong>import</strong> jdepend.framework.JavaPackage;
<a name="46" href="#46">46</a>  <strong>import</strong> org.apache.commons.logging.Log;
<a name="47" href="#47">47</a>  <strong>import</strong> org.apache.commons.logging.LogFactory;
<a name="48" href="#48">48</a>  
<a name="49" href="#49">49</a>  <strong>import</strong> java.io.File;
<a name="50" href="#50">50</a>  <strong>import</strong> java.io.IOException;
<a name="51" href="#51">51</a>  <strong>import</strong> java.util.Collection;
<a name="52" href="#52">52</a>  
<a name="53" href="#53">53</a>  
<a name="54" href="#54">54</a>  
<a name="55" href="#55">55</a>  <em>/**<em>*</em></em>
<a name="56" href="#56">56</a>  <em> * &lt;p>Provides support for any type of rule that can be asserted using the</em>
<a name="57" href="#57">57</a>  <em> * jdepend library&lt;/p></em>
<a name="58" href="#58">58</a>  <em> *</em>
<a name="59" href="#59">59</a>  <em> * @author mikenereson</em>
<a name="60" href="#60">60</a>  <em> * @see RulesServiceImpl</em>
<a name="61" href="#61">61</a>  <em> * @see CyclicRedundancyServiceImpl</em>
<a name="62" href="#62">62</a>  <em> */</em>
<a name="63" href="#63">63</a>  <strong>abstract</strong> <strong>class</strong> <a href="../../../../com/seventytwomiles/architecturerules/services/AbstractArchitecturalRules.html">AbstractArchitecturalRules</a> {
<a name="64" href="#64">64</a>  
<a name="65" href="#65">65</a>  
<a name="66" href="#66">66</a>      <em>/**<em>*</em></em>
<a name="67" href="#67">67</a>  <em>     * &lt;p>log to debug with.&lt;/p></em>
<a name="68" href="#68">68</a>  <em>     *</em>
<a name="69" href="#69">69</a>  <em>     * @parameter log Log</em>
<a name="70" href="#70">70</a>  <em>     */</em>
<a name="71" href="#71">71</a>      <strong>private</strong> <strong>static</strong> <strong>final</strong> Log log
<a name="72" href="#72">72</a>              = LogFactory.getLog(AbstractArchitecturalRules.<strong>class</strong>);
<a name="73" href="#73">73</a>      <em>/**<em>*</em></em>
<a name="74" href="#74">74</a>  <em>     * &lt;p>The &lt;code>Configuration&lt;/code> to test against.&lt;/p></em>
<a name="75" href="#75">75</a>  <em>     *</em>
<a name="76" href="#76">76</a>  <em>     * @parameter configuration Configuration</em>
<a name="77" href="#77">77</a>  <em>     */</em>
<a name="78" href="#78">78</a>      <strong>final</strong> <strong>protected</strong> <a href="../../../../com/seventytwomiles/architecturerules/configuration/Configuration.html">Configuration</a> configuration;
<a name="79" href="#79">79</a>      <em>/**<em>*</em></em>
<a name="80" href="#80">80</a>  <em>     * &lt;p>Instance of jdepend to assert architecture with&lt;/p></em>
<a name="81" href="#81">81</a>  <em>     *</em>
<a name="82" href="#82">82</a>  <em>     * @parameter jdepend JDepend</em>
<a name="83" href="#83">83</a>  <em>     */</em>
<a name="84" href="#84">84</a>      <strong>private</strong> <strong>final</strong> JDepend jdepend;
<a name="85" href="#85">85</a>      <em>/**<em>*</em></em>
<a name="86" href="#86">86</a>  <em>     * &lt;p>All packages that will be analyze&lt;/p></em>
<a name="87" href="#87">87</a>  <em>     *</em>
<a name="88" href="#88">88</a>  <em>     * @parameter packages Collection</em>
<a name="89" href="#89">89</a>  <em>     */</em>
<a name="90" href="#90">90</a>      <strong>private</strong> Collection&lt;JavaPackage> packages;
<a name="91" href="#91">91</a>  
<a name="92" href="#92">92</a>  
<a name="93" href="#93">93</a>      <em>/**<em>*</em></em>
<a name="94" href="#94">94</a>  <em>     * &lt;p>Constructor that loads up the configuration and loads all the packages</em>
<a name="95" href="#95">95</a>  <em>     * in the source paths&lt;/p></em>
<a name="96" href="#96">96</a>  <em>     *</em>
<a name="97" href="#97">97</a>  <em>     * @param configuration Configuration</em>
<a name="98" href="#98">98</a>  <em>     * @throws SourceNotFoundException when an required source directory does</em>
<a name="99" href="#99">99</a>  <em>     * not exist and when &lt;tt>exception&lt;/tt>=&lt;tt>"true"&lt;/tt> in the source</em>
<a name="100" href="#100">100</a> <em>     * configuration</em>
<a name="101" href="#101">101</a> <em>     * @throws NoPackagesFoundException when none of the source directories</em>
<a name="102" href="#102">102</a> <em>     * exist and &lt;tt>no-packages&lt;/tt>="&lt;tt>ignore&lt;/tt>" in the sources</em>
<a name="103" href="#103">103</a> <em>     * configuration</em>
<a name="104" href="#104">104</a> <em>     */</em>
<a name="105" href="#105">105</a>     <a href="../../../../com/seventytwomiles/architecturerules/services/AbstractArchitecturalRules.html">AbstractArchitecturalRules</a>(<strong>final</strong> <a href="../../../../com/seventytwomiles/architecturerules/configuration/Configuration.html">Configuration</a> configuration)
<a name="106" href="#106">106</a>             throws SourceNotFoundException, <a href="../../../../com/seventytwomiles/architecturerules/exceptions/NoPackagesFoundException.html">NoPackagesFoundException</a> {
<a name="107" href="#107">107</a>         log.info(<span class="string">"instantiating new AbstractArchitecturalRules"</span>);
<a name="108" href="#108">108</a> 
<a name="109" href="#109">109</a>         <strong>this</strong>.configuration = configuration;
<a name="110" href="#110">110</a> 
<a name="111" href="#111">111</a>         <em class="comment">/*<em class="comment"> instantiate JDepend */</em></em>
<a name="112" href="#112">112</a>         jdepend = <strong>new</strong> JDepend();
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a>         <em class="comment">/*<em class="comment"> read source paths from configuration file */</em></em>
<a name="115" href="#115">115</a>         <strong>final</strong> Collection&lt;SourceDirectory> sources
<a name="116" href="#116">116</a>                 = <strong>this</strong>.configuration.getSources();
<a name="117" href="#117">117</a> 
<a name="118" href="#118">118</a>         <em class="comment">/*<em class="comment"> add each source to jdepend */</em></em>
<a name="119" href="#119">119</a>         <strong>for</strong> (<strong>final</strong> SourceDirectory source : sources)
<a name="120" href="#120">120</a>             addSourceToJdepend(source);
<a name="121" href="#121">121</a> 
<a name="122" href="#122">122</a>         analyze();
<a name="123" href="#123">123</a>     }
<a name="124" href="#124">124</a> 
<a name="125" href="#125">125</a> 
<a name="126" href="#126">126</a>     <em>/**<em>*</em></em>
<a name="127" href="#127">127</a> <em>     * &lt;p>Add a sourceDirectory path to JDepend instance. Throws Exception when</em>
<a name="128" href="#128">128</a> <em>     * sourceDirectory path can not be found, if a given</em>
<a name="129" href="#129">129</a> <em>     * &lt;code>SourceDirectory&lt;/code> is configured to do so.&lt;/p></em>
<a name="130" href="#130">130</a> <em>     *</em>
<a name="131" href="#131">131</a> <em>     * @param sourceDirectory a &lt;code>SourceDirectory&lt;/code> to read path from</em>
<a name="132" href="#132">132</a> <em>     */</em>
<a name="133" href="#133">133</a>     <strong>private</strong> <strong>void</strong> addSourceToJdepend(<strong>final</strong> <a href="../../../../com/seventytwomiles/architecturerules/domain/SourceDirectory.html">SourceDirectory</a> sourceDirectory) {
<a name="134" href="#134">134</a>         <strong>final</strong> String sourcePath = sourceDirectory.getPath();
<a name="135" href="#135">135</a>         <strong>final</strong> StringBuffer message = <strong>new</strong> StringBuffer();
<a name="136" href="#136">136</a> 
<a name="137" href="#137">137</a>         <strong>final</strong> <strong>boolean</strong> throwExceptionWhenNotFound
<a name="138" href="#138">138</a>                 = sourceDirectory.shouldThrowExceptionWhenNotFound();
<a name="139" href="#139">139</a> 
<a name="140" href="#140">140</a>         <strong>try</strong> {
<a name="141" href="#141">141</a>             jdepend.addDirectory(sourcePath);
<a name="142" href="#142">142</a> 
<a name="143" href="#143">143</a>             <strong>if</strong> (log.isDebugEnabled()) {
<a name="144" href="#144">144</a>                 message.append(<span class="string">"loaded "</span>);
<a name="145" href="#145">145</a>                 message.append(throwExceptionWhenNotFound ? <span class="string">"required "</span> : <span class="string">""</span>);
<a name="146" href="#146">146</a>                 message.append(<span class="string">"sourceDirectory "</span>);
<a name="147" href="#147">147</a>                 message.append(<strong>new</strong> File(<span class="string">""</span>).getAbsolutePath());
<a name="148" href="#148">148</a>                 message.append(<span class="string">"&#47;&#47;"</span>);
<a name="149" href="#149">149</a>                 message.append(sourcePath);
<a name="150" href="#150">150</a> 
<a name="151" href="#151">151</a>                 log.debug(message.toString());
<a name="152" href="#152">152</a>             }
<a name="153" href="#153">153</a>         } <strong>catch</strong> (<strong>final</strong> IOException e) {
<a name="154" href="#154">154</a>             <em class="comment">/*<em class="comment"> sourceDirectory not found */</em></em>
<a name="155" href="#155">155</a>             <strong>if</strong> (log.isWarnEnabled()) {
<a name="156" href="#156">156</a>                 message.append(throwExceptionWhenNotFound ? <span class="string">"required "</span> : <span class="string">""</span>);
<a name="157" href="#157">157</a>                 message.append(<span class="string">"sourceDirectory "</span>);
<a name="158" href="#158">158</a>                 message.append(<strong>new</strong> File(<span class="string">""</span>).getAbsolutePath());
<a name="159" href="#159">159</a>                 message.append(<span class="string">"&#47;&#47;"</span>);
<a name="160" href="#160">160</a>                 message.append(sourcePath);
<a name="161" href="#161">161</a>                 message.append(<span class="string">" does not exist"</span>);
<a name="162" href="#162">162</a> 
<a name="163" href="#163">163</a>                 log.warn(message.toString());
<a name="164" href="#164">164</a>             }
<a name="165" href="#165">165</a> 
<a name="166" href="#166">166</a>             <strong>if</strong> (sourceDirectory.shouldThrowExceptionWhenNotFound()) {
<a name="167" href="#167">167</a>                 log.error(sourcePath + <span class="string">" was not found"</span>, e);
<a name="168" href="#168">168</a> 
<a name="169" href="#169">169</a>                 <strong>throw</strong> <strong>new</strong> <a href="../../../../com/seventytwomiles/architecturerules/exceptions/SourceNotFoundException.html">SourceNotFoundException</a>(
<a name="170" href="#170">170</a>                         sourcePath + <span class="string">" was not found"</span>, e);
<a name="171" href="#171">171</a>             }
<a name="172" href="#172">172</a>         }
<a name="173" href="#173">173</a>     }
<a name="174" href="#174">174</a> 
<a name="175" href="#175">175</a> 
<a name="176" href="#176">176</a>     <em>/**<em>*</em></em>
<a name="177" href="#177">177</a> <em>     * &lt;p>Analyze with JDepend. Call after JDepend knows about all of the source</em>
<a name="178" href="#178">178</a> <em>     * paths.&lt;/p></em>
<a name="179" href="#179">179</a> <em>     */</em>
<a name="180" href="#180">180</a>     <strong>private</strong> <strong>void</strong> analyze() {
<a name="181" href="#181">181</a>         <em>/**<em>*</em></em>
<a name="182" href="#182">182</a> <em>         * Ask jdepend to analyze each package in each of the source</em>
<a name="183" href="#183">183</a> <em>         * directories that were added above.</em>
<a name="184" href="#184">184</a> <em>         */</em>
<a name="185" href="#185">185</a>         log.debug(<span class="string">"fetching packages"</span>);
<a name="186" href="#186">186</a>         packages = jdepend.analyze();
<a name="187" href="#187">187</a> 
<a name="188" href="#188">188</a>         log.debug(<span class="string">"checking how many packages were found by JDepend"</span>);
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>         <strong>if</strong> (packages.isEmpty()) {
<a name="191" href="#191">191</a>             log.warn(<span class="string">"no packages were found with the given configuration. "</span> +
<a name="192" href="#192">192</a>                     <span class="string">"check your &lt;sources /> configuration"</span>);
<a name="193" href="#193">193</a> 
<a name="194" href="#194">194</a>             <strong>final</strong> <strong>boolean</strong> isConfiguredToThrowExceptionWhenNoPackagesFound
<a name="195" href="#195">195</a>                     = configuration.shouldThrowExceptionWhenNoPackages();
<a name="196" href="#196">196</a> 
<a name="197" href="#197">197</a>             log.debug(<span class="string">"throw exception when no packages? "</span>
<a name="198" href="#198">198</a>                     + isConfiguredToThrowExceptionWhenNoPackagesFound);
<a name="199" href="#199">199</a> 
<a name="200" href="#200">200</a>             <strong>if</strong> (isConfiguredToThrowExceptionWhenNoPackagesFound) {
<a name="201" href="#201">201</a>                 log.debug(<span class="string">"throwing RuntimeException because no packages "</span> +
<a name="202" href="#202">202</a>                         <span class="string">"were found"</span>);
<a name="203" href="#203">203</a> 
<a name="204" href="#204">204</a>                 <strong>throw</strong> <strong>new</strong> <a href="../../../../com/seventytwomiles/architecturerules/exceptions/NoPackagesFoundException.html">NoPackagesFoundException</a>(<span class="string">"no packages were found "</span> +
<a name="205" href="#205">205</a>                         <span class="string">"with the given configuration. check your &lt;sources /> "</span> +
<a name="206" href="#206">206</a>                         <span class="string">"configuration"</span>);
<a name="207" href="#207">207</a>             }
<a name="208" href="#208">208</a>         } <strong>else</strong> {
<a name="209" href="#209">209</a>             log.debug(<span class="string">"jdepend found "</span> + packages.size()
<a name="210" href="#210">210</a>                     + <span class="string">" to analyze for cyclic redundancies"</span>);
<a name="211" href="#211">211</a>         }
<a name="212" href="#212">212</a>     }
<a name="213" href="#213">213</a> 
<a name="214" href="#214">214</a> 
<a name="215" href="#215">215</a>     <em>/**<em>*</em></em>
<a name="216" href="#216">216</a> <em>     * &lt;p>All of the packages that were, or will be analyzed by the JDepend</em>
<a name="217" href="#217">217</a> <em>     * instance, given the source paths that it knows about.&lt;/p></em>
<a name="218" href="#218">218</a> <em>     *</em>
<a name="219" href="#219">219</a> <em>     * @return Collection</em>
<a name="220" href="#220">220</a> <em>     */</em>
<a name="221" href="#221">221</a>     Collection&lt;JavaPackage> getPackages() {
<a name="222" href="#222">222</a>         <strong>return</strong> <strong>this</strong>.packages;
<a name="223" href="#223">223</a>     }
<a name="224" href="#224">224</a> 
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a>     <em>/**<em>*</em></em>
<a name="227" href="#227">227</a> <em>     * &lt;p>Test the given layer (a package, but package is java keyword) against</em>
<a name="228" href="#228">228</a> <em>     * the given Rules&lt;/p></em>
<a name="229" href="#229">229</a> <em>     *</em>
<a name="230" href="#230">230</a> <em>     * @param layer String the package to test</em>
<a name="231" href="#231">231</a> <em>     * @param violations Collection of packages defining which packages the</em>
<a name="232" href="#232">232</a> <em>     * layer may not use</em>
<a name="233" href="#233">233</a> <em>     * @throws DependencyConstraintException when a rule is broken</em>
<a name="234" href="#234">234</a> <em>     * @throws CyclicRedundancyException when cyclic redundancy is found</em>
<a name="235" href="#235">235</a> <em>     */</em>
<a name="236" href="#236">236</a>     <strong>void</strong> testLayeringValid(<strong>final</strong> <a href="../../../../com/seventytwomiles/architecturerules/domain/JPackage.html">JPackage</a> layer,
<a name="237" href="#237">237</a>                            <strong>final</strong> Collection&lt;JPackage> violations)
<a name="238" href="#238">238</a>             throws DependencyConstraintException, <a href="../../../../com/seventytwomiles/architecturerules/exceptions/CyclicRedundancyException.html">CyclicRedundancyException</a> {
<a name="239" href="#239">239</a> 
<a name="240" href="#240">240</a>         <strong>final</strong> Collection&lt;JavaPackage> analyzedPackages = jdepend.analyze();
<a name="241" href="#241">241</a> 
<a name="242" href="#242">242</a>         log.debug(<span class="string">"checking how many packages were found by JDepend"</span>);
<a name="243" href="#243">243</a> 
<a name="244" href="#244">244</a>         <strong>if</strong> (analyzedPackages.isEmpty()) {
<a name="245" href="#245">245</a> 
<a name="246" href="#246">246</a>             log.warn(<span class="string">"no packages were found with the given configuration. "</span> +
<a name="247" href="#247">247</a>                     <span class="string">"check your &lt;sources />"</span>);
<a name="248" href="#248">248</a> 
<a name="249" href="#249">249</a>             <strong>final</strong> <strong>boolean</strong> isConfiguredToThrowExceptionWhenNoPackagesFound
<a name="250" href="#250">250</a>                     = <strong>this</strong>.configuration.shouldThrowExceptionWhenNoPackages();
<a name="251" href="#251">251</a> 
<a name="252" href="#252">252</a>             log.debug(<span class="string">"throw exception when no packages? "</span>
<a name="253" href="#253">253</a>                     + isConfiguredToThrowExceptionWhenNoPackagesFound);
<a name="254" href="#254">254</a> 
<a name="255" href="#255">255</a>             <strong>if</strong> (isConfiguredToThrowExceptionWhenNoPackagesFound) {
<a name="256" href="#256">256</a> 
<a name="257" href="#257">257</a>                 log.debug(<span class="string">"throwing CyclicRedundancyException"</span>);
<a name="258" href="#258">258</a> 
<a name="259" href="#259">259</a>                 <strong>final</strong> String message = <span class="string">"cyclic redundancy does exist"</span>;
<a name="260" href="#260">260</a>                 <strong>throw</strong> <strong>new</strong> <a href="../../../../com/seventytwomiles/architecturerules/exceptions/CyclicRedundancyException.html">CyclicRedundancyException</a>(message);
<a name="261" href="#261">261</a>             }
<a name="262" href="#262">262</a> 
<a name="263" href="#263">263</a>         } <strong>else</strong> {
<a name="264" href="#264">264</a> 
<a name="265" href="#265">265</a>             log.debug(<span class="string">"jdepend found "</span> + analyzedPackages.size()
<a name="266" href="#266">266</a>                     + <span class="string">" to analyze for dependency architecture"</span>);
<a name="267" href="#267">267</a>         }
<a name="268" href="#268">268</a> 
<a name="269" href="#269">269</a>         <strong>for</strong> (<strong>final</strong> JavaPackage analyzedPackage : analyzedPackages) {
<a name="270" href="#270">270</a> 
<a name="271" href="#271">271</a>             <strong>final</strong> <a href="../../../../com/seventytwomiles/architecturerules/domain/JPackage.html">JPackage</a> javaPackage = <strong>new</strong> <a href="../../../../com/seventytwomiles/architecturerules/domain/JPackage.html">JPackage</a>(
<a name="272" href="#272">272</a>                     analyzedPackage.getName());
<a name="273" href="#273">273</a> 
<a name="274" href="#274">274</a>             log.debug(<span class="string">"checking dependencies on package "</span> + javaPackage);
<a name="275" href="#275">275</a> 
<a name="276" href="#276">276</a>             <strong>if</strong> (layer.matches(javaPackage))
<a name="277" href="#277">277</a>                 testEfferentsValid(violations, analyzedPackage);
<a name="278" href="#278">278</a>         }
<a name="279" href="#279">279</a>     }
<a name="280" href="#280">280</a> 
<a name="281" href="#281">281</a> 
<a name="282" href="#282">282</a>     <em>/**<em>*</em></em>
<a name="283" href="#283">283</a> <em>     * &lt;p>Test a given layer (java package) against a Collection of</em>
<a name="284" href="#284">284</a> <em>     * &lt;code>Rules&lt;/code>&lt;/p></em>
<a name="285" href="#285">285</a> <em>     *</em>
<a name="286" href="#286">286</a> <em>     * @param violations Collection of rules defining which packages the given</em>
<a name="287" href="#287">287</a> <em>     * package may not depend upon</em>
<a name="288" href="#288">288</a> <em>     * @param jPackage JavaPackage</em>
<a name="289" href="#289">289</a> <em>     * @throws DependencyConstraintException when a rule is broken</em>
<a name="290" href="#290">290</a> <em>     */</em>
<a name="291" href="#291">291</a>     <strong>private</strong> <strong>void</strong> testEfferentsValid(
<a name="292" href="#292">292</a>             <strong>final</strong> Collection&lt;JPackage> violations,
<a name="293" href="#293">293</a>             <strong>final</strong> JavaPackage jPackage)
<a name="294" href="#294">294</a>             throws <a href="../../../../com/seventytwomiles/architecturerules/exceptions/DependencyConstraintException.html">DependencyConstraintException</a> {
<a name="295" href="#295">295</a> 
<a name="296" href="#296">296</a>         <strong>final</strong> Collection&lt;JavaPackage> efferents = jPackage.getEfferents();
<a name="297" href="#297">297</a> 
<a name="298" href="#298">298</a>         <strong>for</strong> (<strong>final</strong> JavaPackage efferent : efferents) {
<a name="299" href="#299">299</a> 
<a name="300" href="#300">300</a>             <strong>final</strong> String analyzedPackageName = jPackage.getName();
<a name="301" href="#301">301</a>             <strong>final</strong> <a href="../../../../com/seventytwomiles/architecturerules/domain/JPackage.html">JPackage</a> efferentJPackage = <strong>new</strong> <a href="../../../../com/seventytwomiles/architecturerules/domain/JPackage.html">JPackage</a>(efferent.getName());
<a name="302" href="#302">302</a> 
<a name="303" href="#303">303</a>             <strong>for</strong> (<strong>final</strong> JPackage violation : violations) {
<a name="304" href="#304">304</a> 
<a name="305" href="#305">305</a>                 <strong>if</strong> (violation.matches(efferentJPackage)) {
<a name="306" href="#306">306</a> 
<a name="307" href="#307">307</a>                     <strong>final</strong> String message = analyzedPackageName
<a name="308" href="#308">308</a>                             + <span class="string">" is not allowed to depend upon "</span>
<a name="309" href="#309">309</a>                             + efferent.getName();
<a name="310" href="#310">310</a> 
<a name="311" href="#311">311</a>                     log.error(message);
<a name="312" href="#312">312</a> 
<a name="313" href="#313">313</a>                     <strong>throw</strong> <strong>new</strong> <a href="../../../../com/seventytwomiles/architecturerules/exceptions/DependencyConstraintException.html">DependencyConstraintException</a>(message);
<a name="314" href="#314">314</a>                 }
<a name="315" href="#315">315</a>             }
<a name="316" href="#316">316</a>         }
<a name="317" href="#317">317</a>     }
<a name="318" href="#318">318</a> }
</pre>
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